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Tractor · 1952Unverified

John Deere 50

Name: John Deere 50
Brand: John Deere

John Deere 50 — Row-Crop tractor · 31 hp. Reference specifications; pending source verification.

The John Deere 50 is a compact tractor model with a rated output of 31 horsepower. It was manufactured from 1952 to 1956. Equipped with a 2-cylinder petrol liquid-cooled engine, it features a two-wheel drive system with a 6-speed gearbox. Weighing 2202 kg, the John Deere 50 is suitable for use on approximately 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

31 hp

Max power

20.2 kW

Weight

2202 kg

Catalogue coverage

Variants represented

Richest spec table

101 rows

Recorded power

31 hp

Recorded weight

2202 kg

Transmissions

6-speed unsynchronized gear

Production years

1952-1956

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Row-Crop tractorReference

Built in Waterloo, Iowa, USAReference

Total built32,574 (total)Reference

Total built29,746 (gas)Reference

Total built2,097 (all-fuel)Reference

Total built731 (LP-gas)Reference

Original price was $2,011 in 1954Reference

The John Deere 50 was introduced to replace the model B. These new tractors offered a number of advancements including duplex carburetion, live Powr-Trol hydraulics, and a fully-independent PTO.Reference

Two-wheel driveReference

SteeringmanualReference

SteeringpowerReference

Expanding shoe brakesReference

Open operator station with padded seat.Reference

Engine

John Deere 3.1L 2-cyl gasolineReference

John Deere 3.1L 2-cyl all-fuelReference

John Deere 3.1L 2-cyl LP gasReference

Fuel tank58.7 LReference

Aux. fuel7.6 LReference

Belt (claimed)23.1 kWReference

Plows2Reference

Drawbar (tested)21.0 kWReference

Belt (tested)23.3 kWReference

John DeereReference

gasolineReference

2-cylinderReference

liquid-cooledReference

Displacement3.1 LReference

Bore/Stroke119 x 140 mmReference

Air cleaneroil bathReference

Rated RPM1250Reference

Firing order1-2Reference

Starter volts12Reference

Coolant capacity21.8 LReference

Coolant capacity18.0 LReference

all-fuelReference

Compression5.35:1Reference

LP gasReference

Compression8:1Reference

Belt power (max)22.6 kWReference

Max power20.2 kWReference

Belt power (max)18.5 kWReference

Max power16.7 kWReference

Belt power (max)23.3 kWReference

Max power21.0 kWReference

Transmission

6-speed unsynchronized gearReference

Typeunsynchronized gearReference

Gears6 forward and 1 reverseReference

Clutchmechanical dry discReference

PTO & Hydraulics

Typeopen centerReference

Pressure64.1 barReference

Pump flow33.7 lpmReference

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Dimensions

Wheelbase228 cmReference

Weight2202 kgReference

Front tire5.50-16Reference

Rear tire10-38Reference

Ag front5.50-16Reference

Ag rear10-38Reference

Length337 cmReference

Width220 cmReference

Height151 cmReference

Operating weight2202 kgReference

Ballasted weight2467 kgReference

Front tread18/28 cmReference

Rear tread142 to 223 cmReference

John Deere 50 attachments

front-end loaderReference

50 Serial Number Location

Right side of tractor frame, ahead of belt pulley.Reference

50 Serial Numbers

19525000001Reference

19535001257Reference

19545016620Reference

19555021977Reference

19565030600Reference

End5033751Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter24 cmReference

Width18 cmReference

RPM1250Reference

Speed966.22 meters/minReference

Electrical

GroundPositiveReference

Charging systemgeneratorReference

Batteries2Reference

Battery volts6Reference

Battery AH85Reference

Test results

NTTL 486: gasoline 6-speed 2WDReference

NTTL 507: tractor fuel 6-speed 2WDReference

NTTL 540: LP gas 6-speed 2WDReference

Gasoline 6-speed 2WDOctober 15 - 22, 1952Link: Nebraska Tractor Test 486 fileReference

Belt fuel use (max)10.6 l/hourReference

Drawbar performanceReference

Gear 4 used for power test.Reference

Max pull1589 kgReference

Gear 1 used for pull test.Reference

Tractor fuel 6-speed 2WDSeptember 25 - October 2, 1953Link: Nebraska Tractor Test 507 fileReference

Belt fuel use (max)9.5 l/hourReference

Gear 3 used for power test.Reference

Max pull1625 kgReference

LP gas 6-speed 2WDMay 9 - 13, 1955Link: Nebraska Tractor Test 540 fileReference

Belt fuel use (max)13.6 l/hourReference

Max pull1572 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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